Antihydrogen Falls Downward! (IMAGE)
Caption
The weight of antihydrogen atoms (a positively charged positron or anti-electron orbiting a negatively charged antiproton) balances the weight of hydrogen atoms (a negatively charged electron orbiting a positively charged proton).
Credit
Image courtesy of Chukman So, U.C. Berkeley
Usage Restrictions
Image courtesy of Chukman So, U.C. Berkeley
License
Original content